rcu: code cleanups in TINY_RCU priority boosting.
Extraneous semicolon, bad comment, and fold INIT_LIST_HEAD() into
list_del() to get list_del_init().
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
index 3cb8e36..0bc9f73 100644
--- a/kernel/rcutiny_plugin.h
+++ b/kernel/rcutiny_plugin.h
@@ -339,7 +339,7 @@
raw_local_irq_restore(flags);
}
-#define RCU_BOOST_DELAY_JIFFIES DIV_ROUND_UP(CONFIG_RCU_BOOST_DELAY * HZ, 1000);
+#define RCU_BOOST_DELAY_JIFFIES DIV_ROUND_UP(CONFIG_RCU_BOOST_DELAY * HZ, 1000)
/*
* Do priority-boost accounting for the start of a new grace period.
@@ -418,7 +418,7 @@
if (!rcu_preempt_gp_in_progress())
return;
/*
- * Check up on boosting. If there are no readers blocking the
+ * Check up on boosting. If there are readers blocking the
* current grace period, leave.
*/
if (rcu_initiate_boost())
@@ -578,7 +578,7 @@
empty = !rcu_preempt_blocked_readers_cgp();
empty_exp = rcu_preempt_ctrlblk.exp_tasks == NULL;
np = rcu_next_node_entry(t);
- list_del(&t->rcu_node_entry);
+ list_del_init(&t->rcu_node_entry);
if (&t->rcu_node_entry == rcu_preempt_ctrlblk.gp_tasks)
rcu_preempt_ctrlblk.gp_tasks = np;
if (&t->rcu_node_entry == rcu_preempt_ctrlblk.exp_tasks)
@@ -587,7 +587,6 @@
if (&t->rcu_node_entry == rcu_preempt_ctrlblk.boost_tasks)
rcu_preempt_ctrlblk.boost_tasks = np;
#endif /* #ifdef CONFIG_RCU_BOOST */
- INIT_LIST_HEAD(&t->rcu_node_entry);
/*
* If this was the last task on the current list, and if